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US20100045766 BEAM-SPOT POSITION COMPENSATION METHOD, OPTICAL SCANNING DEVICE, AND MULTI-COLOR IMAGE FORMING DEVICE  
In a beam-spot position compensation method for use in an optical scanning device which scans a surface of a photosensitive medium by a light beam emitted by a light source, a plurality of...
US20080055392 BI-directionally scanning electrophotographic device corrected per ambient pressure and temperature  
Methods and apparatus include improving print quality of a bi-directionally scanning electrophotographic (EP) device, such as a laser printer or copy machine, according to either or both of...
US20080049095 LIGHT SCANNING APPARATUS AND SCANNING TYPE IMAGE DISPLAY APPARATUS  
A compact light scanning apparatus is disclosed which can provide a high light scanning efficiency. The apparatus includes a scanner that scans a light beam from a light source to form an image in...
US20070058030 Integrated circuit that emits light, optical head that incorporates the integrated circuit, and image forming apparatus that uses the optical head  
Each of a plurality of driver circuits includes a first 3-terminal switch element, a second 3-terminal switch element, and a 3-terminal light emitting element driven by the first 3-terminal switch...
US20080002228 Systems for generating a pulse width modulated signal  
Systems in accordance with the presently claimed invention use input data to create an output pulse that is a fraction of the width of an input pulse. In some embodiments, the invention accepts...
US20050094165 Hard imaging methods, hard imaging device fabrication methods, hard imaging devices, hard imaging device optical scanning systems, and articles of manufacture  
Hard imaging methods, hard imaging device fabrication methods, hard imaging devices, hard imaging device optical scanning systems, and articles of manufacture are described. According to one...
US20090073252 TEMPERATURE COMPENSATION FOR FULL-WIDTH ARRAYS WRITE HEADS  
A method and system for compensating for temperature changes is disclosed that includes a mounting bar, a plurality of imaging chips adaptively mounted on the mounting bar, each imaging chip...
US20100045768 Exposure Head, Method of Controlling Exposure Head, and Image Forming Apparatus  
An exposure head includes a substrate in which a first light emitting device and a second light emitting device are arranged in a direction parallel or substantially parallel to a moving direction...
US20070216757 Laser beam scanning apparatus, image forming apparatus, and laser beam scanning method  
A laser beam scanning apparatus according to the invention includes: a laser oscillating unit that outputs a laser beam; a laser beam scanning unit that performs scanning in a main scanning...
US20050157162 Laser pulse image switches  
Micro-symbols or scenes formed on the optical surfaces of laser diode arrays, MEMS arrays, and optical fiber image tunnel arrays, and the like, allow these devices to function as laser pulse image...
US20080180513 Device for setting up, adjusting and/or controlling an apparatus for processing printed products  
A device is provided for setting up, adjusting, and/or controlling an apparatus that cyclically processes printed products. The device includes a lighting unit having at least one light source...
US20090315970 DRAWING APPARATUS AND METHOD, AND COMPUTER PROGRAM  
A drawing apparatus (1) is provided with: a drawing device (13) for drawing a predetermined pattern onto a label surface (120), which is provided for a recording medium (100), by irradiating the...
US20090167836 Light emitting apparatus, optical printhead, and image forming apparatus  
A light emitting apparatus includes optical thyristors, a driver circuit that supplies a drive current to the thyristors so that the thyristors emit light, and a control circuit that controls the...
US20090296763 LIGHT OUTPUT DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE LIGHT OUTPUT DEVICE  
A light output device includes: an output unit including a light source; a control voltage generation unit that detects output power of the light source, and generates a control voltage for...
US20080100691 FREQUENCY MODULATOR  
A frequency modulator which employs a method in which the frequency of an image clock is modulated by a predetermined amount of fluctuation to thereby reduce noise, and is capable of providing...
US20110261138 REFERENCE VOLTAGE GENERATION CIRCUIT, DRIVE DEVICE, PRINT HEAD, AND IMAGE FORMING APPARATUS  
A reference voltage generation circuit includes a first current-mirror circuit including a first MOS transistor connected to a first power source and a second MOS transistor of the first...
US20110175974 SYSTEMS AND METHODS FOR PROCESSING EGGS  
A method for laser marking eggs is disclosed which comprises using a machine vision system to monitor laser marking of eggs by a laser marking system, and adjusting one or more parameters of the...
US20110285805 DRIVING DEVICE, PRINT HEAD AND IMAGE FORMING DEVICE  
A driving device controls light emitting thyristors that each include a scanning circuit sequentially driving each of the plural stages of the light emitting thyristors by controlling scanning...
US20110262184 Driver circuit, print head, and image forming apparatus  
A driver apparatus drives a plurality of light emitting thyristors. Each thyristor includes a cathode connected to the ground, an anode, and a gate. A gate driver circuit outputs a drive signal...
US20110205327 RECORDING HEAD AND IMAGE FORMING APPARATUS  
A recording head including: a non-electrically conductive support member; a base board provided above the support member, the base board being provided with light emitting elements for forming an...
US20130286151 VIBRATING ELEMENT, OPTICAL SCANNING DEVICE, AND IMAGE FORMING DEVICE AND IMAGE PROJECTION DEVICE USING SAME  
The oscillation element according to the present invention includes a torsion bar mounted on a base, and an oscillating member having a light reflection surface for reflecting light from a light...
US20120249717 Pulse-Modulation-Signal Generating Device, Light-Source Device, and Optical Scanning Device  
A high-frequency clock generating circuit generates a plurality of high-frequency clock signals having different phases. A modulation-signal generating circuit generates a pulse modulation signal...
US20120212565 EXPOSURE APPARATUS  
In an exposure apparatus employing an over filled optical system, the light quantity distribution on a scanning plane is kept nearly constant for a plurality of scanning light quantities. It...
US20100289866 INFORMATION PROCESSING DEVICE, LASER IRRADIATION DEVICE, DRAWING INFORMATION GENERATING METHOD, CONTROL SYSTEM, AND PROGRAM  
An information processing device for generating a piece of drawing information of a line image, including a shape information storing part to store pieces of shape information for respective...
US20100245530 Optical Disk Image Drawing Method  
An optical disk image drawing method includes: rotating the optical disk by a spindle motor; reading a predetermined information recorded on a track of a data recording layer; detecting a...
US20100231684 LIGHT BEAM NUMBER CHANGEABLE OPTICAL WRITING APPARATUS  
An optical writing apparatus includes a light source device that includes a VCSEL having an alignment of at least two channels in a sub scanning direction configured to emit plural light beams in...
US20100225731 Exposure Head, Image Forming Apparatus, and Image Forming Method  
An exposure head includes a light emitting segment that emits light; an electrical load that is electrically connected to a circuit in which a current to be supplied to the light emitting segment...
US20100141731 LINE PRINTER HEAD AND IMAGE FORMING APPARATUS INCLUDING THE SAME  
Disclosed is a line printer head that exposes an object, e.g., a photoconductor body, of an image forming apparatus. The line printer head includes multiple light emitting devices in a linear...
US20150266310 OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS  
Optical print head includes: light-emitting elements connected one-to-one to current supply lines branching from first power line at different positions in longitudinal direction; holding...
US20150251442 IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD  
An image forming apparatus includes a drive signal generating unit that generates a drive signal for driving a light source based on a reference pulse signal serving as a reference to form a...
US20150239258 OPTICAL PRINT HEAD AND IMAGE FORMING APPARATUS  
An optical print head performs optical writing onto target, and includes: current-driven light-emitting elements arranged in rows in a predetermined direction; driving transistors that are each...
US20150180200 LIGHT SOURCE DRIVE CIRCUIT, OPTICAL SCANNING APPARATUS, SEMICONDUCTOR DRIVE CIRCUIT, AND IMAGE FORMING APPARATUS  
A light source drive circuit which drives a light source is disclosed, including a drive current generating unit which generates a drive current, the driving current including a predetermined...
US20150116445 DRIVING CIRCUIT FOR LIGHT EMITTING ELEMENT, EXPOSURE HEAD, AND IMAGE FORMING APPARATUS  
Each data line includes base parts covering contact holes and line parts extending in an array direction of pixel circuits and connecting adjacent base parts to each other. The line parts have a...
US20150009272 Laser Marking Using Scalable Fonts  
A system directs a laser beam to mark a material with an alphanumeric code. Character and quality information corresponding to a mark to apply to the material with the laser beam can be received,...
US20140313274 INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, INFORMATION PROCESSING SYSTEM, COMPUTER PROGRAM AND COMPUTER-READABLE MEDIUM  
An information processing apparatus that generates a drawing command for drawing visual information by irradiating laser light on a recording medium includes a line information obtaining unit that...
US20140192130 LASER REACTIVE MEDIA AND APPARATUS AND METHOD FOR WRITING AN IMAGE ONTO SUCH MEDIA  
An optical disk label writing method for writing a label on an optical disc uses a similar writing operation to that used to write data to the disc. The disc has a label side including a laser...
US20140168343 WRITING CONTROLLING APPARATUS, IMAGE FORMING APPARATUS, AND COMPUTER PROGRAM PRODUCT  
The invention is concerning the writing controlling apparatus that includes an acquiring unit configured to acquire a plurality of light amounts of a light source driven while changing an input...
US20140118459 IMAGE FORMING APPARATUS  
An image forming apparatus according to the embodiment includes a plurality of print heads and a processor. Each of the print heads includes a plurality of light emitting devices and a storing...
US20130307917 POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS  
The power supply apparatus for obtaining a direct current from an alternating voltage source includes a first DC/DC converter for outputting a first direct current and a second DC/DC converter for...
US20130201271 INFORMATION PROCESSING APPARATUS, SYSTEM, AND INFORMATION PROCESSING METHOD  
An information processing apparatus generates a scanning instruction to send to a device for forming visible information by scanning a recording medium with a laser beam. The information...
US20130135424 RECORDING MEDIUM IMAGING DEVICE AND IMAGE FORMING APPARATUS  
There is provided a recording medium imaging device capable of properly selecting pixels used for determining the kind of the recording medium from the captured surface image to remove pixels from...
US20130063536 LIGHT SOURCE CONTROL APPARATUS AND IMAGE FORMING APPARATUS  
A light source control apparatus which controls, based on image data input, light emission of a light source which forms an electrostatic latent image on an image bearing body in an...
US20130027501 IMAGE FORMING APPARATUS THAT USES LASER BEAM  
An image forming apparatus which is capable of properly correcting a scanning length while suppressing occurrence of moiré fringes to reduce degradation of image quality. A laser drive device...
US20120327170 OPTICAL RECORDING APPARATUS WITH LIMITING MEMBERS  
An optical recording apparatus includes a traverse, a control circuit board, a shield substrate and an flexible flat cable (FFC). The traverse includes a spindle motor for rotating an optical disc...
US20120256998 LIGHT EMITTING DEVICE, PRINT HEAD, AND IMAGE FORMING APPARATUS  
A light emitting device includes light emitting chips, a mount board on which the light emitting chips are mounted, and a buffer amplifier. Each of the light emitting chips includes light emitting...
US20120188328 LIGHT SCANNING DEVICE CAPABLE OF EXECUTING AUTOMATIC LIGHT AMOUNT CONTROL AND IMAGE FORMING APPARATUS EQUIPPED WITH THE SAME  
A light scanning device that performs rapid scanning synchronization timing detection to thereby enable automatic light amount control to be executed rapidly and with high accuracy. A light amount...
US20120081499 PRINT HEAD AND IMAGE-FORMING APPARATUS  
According to one embodiment, a print head includes first and second substrates, an OLED array and a drive circuit. The first substrate extending in a first direction and has a main surface...
US20120026273 FOCUSING A LASER ON A LABEL SURFACE OF AN OPTICAL DISC  
A method, apparatus, and medium for determining actuator signals for focusing a laser on a label surface of an optical disc. A plurality of virtual angular sectors are defined on the label...
US20110234743 DRIVE DEVICE, PRINT HEAD AND IMAGE FORMING APPARATUS  
A drive device to drive a plurality of three-terminal light emitting elements includes a drive circuit. The drive circuit includes a first and second conductive type MOS transistor complementarily...
US20110228037 LASER DRIVING UNIT AND IMAGE FORMING APPARATUS  
A laser driving unit drives a semiconductor laser apparatus including a plurality of light sources, includes a light detecting part to detect light emissions from the light sources, a driving...

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